科学60秒:人类的大脑到底进化了多少?
Modern human babies are essentially learning machines. After birth, their brains grow in ___1___, allowing infants to ___2___ for future social and cognitive achievement. But it wasn’t that way ...
暑假太长了?(1)
美国学生的暑假很长,现在有一些家长提出来暑假太长了The traditional American school year begins in late August or early September. It ends in May or June, followed by summer vacation. Why such a l...
极端气候现象(1)
今年,全球各处都发生了极端气候现象,联合国就此发表了一个报告This summer, heavy rains and flooding have caused more than five hundred deaths in South Asia. More than 10 million people have been fo...
道琼斯收购案(1)
道琼斯公司是美国华尔街日报的发行者,日前,传媒大亨默多克看上了它One of the top stories in business news this week was -- business news. Dow Jones agreed to be bought by News Corporation. This mea...